15x o-rings:5 x a + 10 x bCorrosion-resistant oils, hydraulic oil and water.Flexible black rubber O-ring seal.For mechanical sealing, pressure vessels, gas compressors, reaction vessels, heat exchangers, boilers, filters, automobiles, electrical appliances and other fields.O-ring seal are circular-shaped rings in the industry to prevent the closing or leakage of liquid or gas in an application.Suitable for both static and dynamic sealing.This oil seal O is made of rubber, round cross-section, easy to install.Applications: automotive, electrical equipment, engineering, industry, construction, household, other fields.Product Name: Rubber O-ringMaterial: rubberInner Diameter: 71mm / 2.7 inch ; 70mm / 2.76 inchOuter diameter (approx.) 80mm / 3.1 inch ; 75mm / 2.95 inchThickness: 4mm ; 2.5mm / 0.098 inchColor: BlackPackage Included:15x o-ringsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
